Milwaukee 1/2 In. Drive 21 mm 6-Point Shallow Metric Socket with FOUR FLAT Sides Superior Pump Works in crankcase oil to

Works in crankcase oil to liquefy harmful residues & deposits

This unit is ideal for individuals seeking a solution to the #1 water quality issue as identified by consumers - that of bad tastes and odors in their water

For ease of cartridge change

The versatile grayson is a medium-sized

Quality Construction - Close-grained cast iron body

Milwaukee 1/2 In. Drive 21 mm 6-Point Shallow Metric Socket with FOUR FLAT Sides Superior Pump Works in crankcase oil toFOUR FLAT sides deter rolling Wrench ready FOUR FLAT sides Stamped sizes for better visibility Chrome finish Optimized geometry to prevent rounding 6 Point Socket Lifetime Guarentee